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Alan Alford's build

2250b Tube for later move to bulk CO2.
12" .22 Caliber Barrel from Doomsday Backpacker
Brian & Assoc. Alluminum Breech with 2 barrel screws
Original site rear
Pin site on Custom Mt. Airguns Muzzle Break
2x1 Centerpoint Scope with UTG dovetail adapters
Mountain Airguns Custom Bolt and Handle
Mountain Airguns Custom Power Adapter and spring guide
B&A Boss Valve for extra Power

Built mainly for fun and to shoot at local Field Trial Pistol Match.

It currently it shoots a 14.3 Crosman Hunting Pellet at about 530 fps in a 72 degree room for 8.92 FPE.



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For a few dollars the 2200 can...

August 2 2011 at 7:19 AM
Phil  (Login Duane30)
Crosman Forum Member
from IP address 69.136.1.121


Response to Who's Nominated as the "New Jeff Wolgast"?

...be made to produce 50-75fps more. On mine, the probe was sleeved with brass, an o-ring added, and a sleeve of brass on the probe tip (to push pellet in a little further). The transfer port sealed much better. The stock barrels are great if recrowned on both ends and use bushings to support the barrel fully. one in the front and one in the rear and one in the middle. My barrel and shroud has been shortened 1.5 inches as well.

With 10 pumps using a Crosman 14.3 grain pointed pellet the fps is an average of 632.

Next the piston will be made adjustable with a 1377/760 valve end. Would like to see how the larger valve does.

"Well, I thought it was a rabbit but it turned out to be Bear Grylls in a rabbit hide."

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This message has been edited by Duane30 from IP address 69.136.1.121 on Aug 2, 2011 8:48 AM


 
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